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Questions › CUET-PG › CUET-PG 2021 › Q47
4 marks, −1Mathematics › Matrices, determinants and linear systems › Singular matrices and invertibilityEasyabout 1 min

CUET-PG 2021 Question 47: Matrices, determinants and linear systems

What is aaa if B=[143a]B=\begin{bmatrix}1 & 4\\3 & a\end{bmatrix}B=[13​4a​] is a singular matrix?

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What is a if B=[1 4; 3 a] is a singular matrix? (A) 11 (B) 10 (C) 6 (D) 12

Matrices, determinants and linear systems has come up 102 times in 7 exams since 2006.

What this question tests

This question is on Singular matrices and invertibility, part of Matrices, determinants and linear systems in Mathematics.

When a matrix has an inverse and what singularity means.

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